.introduce {
    min-width: 10rem;
    line-height: 1.5;
  }
  
  .content {
    margin-left: 5px;
    width: 13rem;
    min-width: 13rem;
  }
  
  .introduce.float-left {
    float: left;
    min-width: 10rem;
    line-height: calc(1.5em + 0.75rem + 2px);
    margin: 0px;
    margin-top: 2%;
  }
  
  .blue-btn {
    margin-left: 5px;
  }
  
  .checkbox-space-ie {
    display: inline-block;
    position: relative;
    padding-left: 0px;
  }
  
  .inline-block {
    display: inline-block;
  }
  
  .clear {
    clear: both;
  }